Incandescent burner.



H. M. REIGHENBAGH. INGANDESGENT BURNER.- APPLICATION FILED APR. 21, 1908.

904,448. Patented Nov. 17, 1908.

L'lllIIllNlh' HENRY M. REIOHENBAGH, OF YONKERS, NEW YORK.

INCANDESCENT BURNER.

Specification of Letters Patent.

Application filed April 21, 1908.

Patented Nov. 17, 1908.

Serial No. 428,471.

To all whom it may concern:

Be it known that I, HENRY M. REIOHEN- lawn, a citizen of the United States, residing at Yonkers, in the county of WVestchester and State of New York, have invented certain new and useful Improvements in Incandescent Burners; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to improvements in incandescent burners, the object being to produce a very small, compact burner of this type which may be applied to ordinary gas fixtures without any especial appliances or fittings, and not requiring the use of anything but the ordinary globes.

lVith this object in view, my invention consists in the construction and combina tions of parts as hereinafter described and claimed.

In the accompanying drawingsFigure l is a perspective view, partly in section, of my improved burner. Fig. 2 is a perspective view of the lower part of said burner. Fig. 3 is a section on the line 33 of Fig. 1. Fig. 4 is a top plan view of the part shown in Fig. 2, and Fig. 5 is a perspective view of the washer detached.

(0 represents the base of the burner, adapted to screw over the end of an ordinary gas fixture, one object of my invention being to produce a very small sized burner which does not require special fittings.

Z) represents a tube fastened into this base and having its upper part expanded out, as shown at c, terminating in a bead (1 above which is an annular portion 6. l/Vithin the tube 6 is a gas cut-off or plug f provided with a perforation g for the escape of the gas into the burner, and another perforation it which is arranged to be closed by a screw 2' which passes through the tube 6 and plug f. Obviously by this construction the flow of gas through the plug f can be cut off or regulated as desired. The tube 6 is provided with a number of air inlet openings j.

Within the tube Z) is loosely mounted a cylindrical tube is open at both ends and provided with a pin m which passes through a spiral slot n in the tube Z). Obviously by catching hold of the pin m the tube is may be moved up or down a greater or less distance to vary the amount of air supplied through the inlet openings j, said tube is fitting closely enough within the tube to remain in any desired adjusted position.

Surrounding the upper end of the tube and fitting within the ring or ridge (Z is an annular washer 0 within which the tube is slides freely. This is an important feature of construction for this reason; I have found by experience that to insure the best mixture of air and gas it is important that the space underneath the mantle should be illclosed by a cylinder having a flat bottom, the gas being delivered into said space through a hole in the center of said bottom. It is difficult if not impossible to spin the tube 6, which is usually made of brass, so as to make such a square bottom, and I have therefore adopted the construction shown, in which the washer 0 serves to close the bot tom of the gas and air mixing chamber, making it of the desired shape. lVire gauze p shaped like a dome, rests upon the washer 0 and aids in mixing the air and gas.

The mantle holder consists of a cylindrical base piece 9 open at both ends and having its top closed by a flat piece of wire gauze 1 having a central spreader s. The base piece Q is preferably provided with a retaining ridge 2 to prevent the vibration of the mantle. Attached to the lower part of the base piece Q are two horizontal arms u bent upwardly, as shown, and in the upper hollow ends of these arms engage the ends of a wire 12 bent at w to form a loop over which loop the mantle to is supported by non-combustible cord 3 The construction shown and described makes a very small, compact and cheap in candescent burner, applicable to the ordinary gas jet without the use of special globes. Practical tests have shown that it is very efiicient, and that it will produce fifty per cent. more light than an ordinary bat-wing burner, while only consuming less than onesixth of the gas consumed by such bat-wing burner.

Having thus described my invention, I claim 1. In an incandescent burner, the combination of a base, screw threaded internally, a tube secured in said base and having its upper part expanded outwardly and terminating in an open-ended cylinder provided with a bead at its bottom, said tube being provided with holes for the admission of air, and with a spiral slot, a plug located in said tube below said air inlets and provided with a central perforation for the passage of gas, and with a screw adapted to wholly or partially close said perforation, an internally located tube for varying the air supply, said tube being provided with a pin projecting outward through the spiral slot in said first named tube, an annular washer located in the bead of said first named tube, and gas distributing devices mounted on the large cylindrical portion of said first named tube, substantially as described.

2. In an incandescent burner, the combination of a base piece provided with internal screw threads, a tube secured therein and having its upper part expanded into an open-ended cylinder having a bead at its bottom, said tube being provided with a spiral slot and with air openings, a tube mounted within said first named tube and adapted to slide therein to vary the air supply, said tube being provided with a pin passing through the spiral slot of said first named tube, an annular washer located in the bead of said first named tube and surrounding the end of said second named tube, gas distributing devices carried by said first named tube, a mantle support, and a mantle, substantially as described.

In testimony whereof, I afi'ix my signature, in presence of two witnesses.

HENRY M. REICHENBACH. lVitnesses WALTER V. LEE,

FRANK C. PRINGLE. 

